my dad ways 190lbs when he was on a 250cc
Well it all depends what size 85cc - 100lb125cc - 100-200lb250cc - 150-220lb450cc - 180 - 250lb
A five year old boy normally shouldn't weigh over 100 pounds, or under 20 pounds.
A boy at eleven should, the lowest, weigh 65 lb. The most, 100 lb.
90-110 punds, depending on muscle and age.